GHSA-X82R-6J37-VRGG

Vulnerability from github – Published: 2025-04-08 14:51 – Updated: 2025-04-08 14:51
VLAI?
Summary
Pimcore's Admin Classic Bundle allows HTML Injection
Details

Summary

An HTML injection issue allows users with access to the email sending functionality to inject arbitrary HTML code into emails sent via the admin interface, potentially leading to session cookie theft and the alteration of page content.

Details

The vulnerability was discovered in the /admin/email/send-test-email endpoint using the POST method. The vulnerable parameter is content, which permits the injection of arbitrary HTML code during the email sending process. While JavaScript code injection is blocked through filtering, HTML code injection remains possible.

PoC

To reproduce the vulnerability, a user must fill out the email's content form with the desired HTML payload. send-test-mail-text

Impact

mail-text

This HTML injection vulnerability can potentially enable phishing attacks by allowing the insertion of any html like fake login forms, etc. All functionalities that process user input should be carefully reviewed to ensure that data is appropriately encoded as HTML entities in server responses. For instance, a reflected input paramete like <h1> just a test </h1> <p> <img> should be displayed in the HTML response as &#x3c;h1&#x3e; just a test &#x3c;/h1&#x3e; &#x3c;p&#x3e; &#x3c;img&#x3e;.

Severity ?
1.8 (Low)
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "pimcore/admin-ui-classic-bundle"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.7.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-30166"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-04-08T14:51:41Z",
    "nvd_published_at": "2025-04-08T11:15:44Z",
    "severity": "LOW"
  },
  "details": "### Summary\nAn HTML injection issue allows users with access to the email sending functionality to inject arbitrary HTML code into emails sent via the admin interface, potentially leading to session cookie theft and the alteration of page content.\n\n### Details\nThe vulnerability was discovered in the `/admin/email/send-test-email` endpoint using the `POST` method. The vulnerable parameter is `content`, which permits the injection of arbitrary HTML code during the email sending process. While JavaScript code injection is blocked through filtering, HTML code injection remains possible.\n\n### PoC\nTo reproduce the vulnerability, a user must fill out the email\u0027s content form with the desired HTML payload.\n![send-test-mail-text](https://github.com/user-attachments/assets/0e02b004-ce88-4018-b7cb-ae15a8ec2300)\n\n### Impact\n![mail-text](https://github.com/user-attachments/assets/67080d10-0cef-4f65-a157-4f012203f0a3)\n\nThis HTML injection vulnerability can potentially enable phishing attacks by allowing the insertion of any html like fake login forms, etc.\nAll functionalities that process user input should be carefully reviewed to ensure that data is appropriately encoded as HTML entities in server responses. For instance, a reflected input paramete like `\u003ch1\u003e just a test \u003c/h1\u003e \u003cp\u003e \u003cimg\u003e` should be displayed in the HTML response as `\u0026#x3c;h1\u0026#x3e; just a test \u0026#x3c;/h1\u0026#x3e; \u0026#x3c;p\u0026#x3e; \u0026#x3c;img\u0026#x3e;`.",
  "id": "GHSA-x82r-6j37-vrgg",
  "modified": "2025-04-08T14:51:41Z",
  "published": "2025-04-08T14:51:41Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/pimcore/admin-ui-classic-bundle/security/advisories/GHSA-x82r-6j37-vrgg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-30166"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pimcore/admin-ui-classic-bundle/commit/76b690d4f8fcd9c9d41766bc5238c2513242e60e"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pimcore/admin-ui-classic-bundle"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Pimcore\u0027s Admin Classic Bundle allows HTML Injection"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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